Generally, PTFE-lined sight glasses are not repairable. If they show signs of damage or defects, they are usually replaced to ensure continued safety and reliable performance.
PTFE-lined tubular sight glasses offer a great way of viewing the flow of fluids in pipes safely, with good visibility and superior chemical resistance. The PTFE lining protects the glass from corrosive chemicals and these sight glasses are thus ideal for application in chemical, pharmaceutical and food processing industries. They’re lightweight, easy to install, and require little maintenance. These sight glasses provide a secure, non-reactive view even in systems that deal with acids, alkalis, and solvents. Thanks to their resistance to high temperatures and pressure, they help improve safety and reliability, ensuring smooth operation even in tough conditions.
A PTFE-lined tubular sight glass is an advanced tool used to safely see the flow of liquids in pipes. It’s made of a clear glass tube with a protective PTFE (Polytetrafluoroethylene) coating that helps resist corrosion, especially when dealing with harsh or dangerous chemicals. This makes it perfect for industries like pharmaceuticals, chemicals, and food processing. It provides a clear view of the fluid while ensuring safety and long-lasting performance, even under high pressure, temperature, and challenging chemical conditions. It’s designed to keep working reliably in tough environments.
| Size | : | ½” to 12” (15 NB to 300 NB) |
| Manufacturing Standard | : | ASME 16.5, Class 150# |
| Body & Lining | : | MS/DI/CS/SS PTFE/ FEP/ PFA/ PVDF |
| Design | : | Fixed Flange End |
| Pressure | : | Metal Body with lining 5~10 kg/cm² Metal Body without lining 28kg/cm² |
Vivek PTFE Lined Pipe is a leading supplier of PTFE Lined Tubular Sight Glass in Mumbai, India, offering high-quality, corrosion-resistant solutions ideal for chemical, pharmaceutical, and industrial applications.
B – 1 | SIGHT GLASS | ||
C – 2 | |||
15 | 50 | ||
25 | 25 | 65 | 89 |
15 | – | – | |
40 | 25 | 75 | 102 |
40 | – | – | |
15 | – | – | |
50 | 25 | 85 | 114 |
40 | – | – | |
15 | – | – | |
80 | 25 | 110 | 140 |
40 | – | – | |
15 | – | – | |
100 | 25 | 130 | 165 |
40 | – | – | |
15 | – | – | |
150 | 25 | 170 | 203 |
40 | – | – | |
15 | – | – | |
200 | 25 | 200 | 279 |
40 | – | – | |
15 | – | – | |
250 | 25 | 250 | 279 |
40 | – | – | |
15 | – | – | |
300 | 25 | 276 | 305 |
40 | – | – | |
PTFE lining provides excellent resistance to corrosive chemicals, ensuring durability even in harsh environments.
PTFE withstands high temperatures, making it suitable for processes involving heat-intensive operations.
PTFE lining minimizes risks of leaks or contamination, ensuring safe operation in critical systems.
The smooth, non-stick surface of PTFE minimizes residue buildup, reducing cleaning and maintenance efforts.
Generally, PTFE-lined sight glasses are not repairable. If they show signs of damage or defects, they are usually replaced to ensure continued safety and reliable performance.
PTFE-lined sight glasses are typically available in sizes ranging from 15mm to 300mm. They are manufactured to meet ANSI, DIN, and JIS standards, with options for either threaded or flanged connections.
Yes, PTFE-lined sight glasses undergo both hydrostatic and pneumatic pressure tests to verify their leak-proof performance and structural integrity.
SS PTFE-lined pipes are typically designed to handle temperatures from -60°C to +200°C and pressures up to 150 PSI, depending on their design and specifications, ensuring reliable performance in demanding industrial environments.
Yes, PTFE-lined sight glasses are thoroughly inspected to ensure uniformity and strong adhesion of the lining, guaranteeing durability, chemical resistance, and defect-free performance.
We are the leading Manufacturer and Supplier of Vivek PTFE Lined Pipe, Fittings, Flanges, Spool and Valves in Mumbai, India.
